DTC U023A: Lost Communication with Front Camera Module [09/2017 - 05/2019]: Procedure

CHECK FOR DTCs (POWER STEERING SYSTEM)

HINT:

When the lane departure alert system (w/ steering control) outputs DTC U023A, the power steering system may also output DTC U023A. If DTC U023A is output, perform diagnosis for the power steering system first.

Check for DTCs.

Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

Chassis > EMPS > Trouble Codes

Result

Result	Proceed to
DTC U023A is not output	A
DTC U023A is output	B

Result:

GO TO POWER STEERING SYSTEM

for Manual Tilt and Manual Telescopic Steering Column: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - ]

for Power Tilt and Power Telescopic Steering Column: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - ]

Result:

See step 2

CHECK FOR DTCs

Clear the DTCs.
Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

Chassis > LKA/LDA > Clear DTCs
Perform the following procedure.
HINT:

If the conditions are not met, the system cannot detect the malfunction.

Check for DTCs.

Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

Chassis > LKA/LDA > Trouble Codes

Result

Result	Proceed to
DTC U023A is not output	A
DTC U023A is output	B

Result:

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019]

Result:

See step 3

REPLACE FORWARD RECOGNITION CAMERA

Replace the forward recognition camera.
Refer to REMOVAL [09/2017 - 05/2019]

Perform forward recognition camera adjustment.

Refer to ADJUSTMENT (SEQUENTIAL RECOGNITION) [09/2017 - 05/2019]

Result

Proceed to
NEXT

Result:

See step 4

CHECK FOR DTCs

Clear the DTCs.
Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

Chassis > LKA/LDA > Clear DTCs
Perform the following procedure.
HINT:

If the conditions are not met, the system cannot detect the malfunction.

Check for DTCs.

Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

Chassis > LKA/LDA > Trouble Codes

Result

Result	Proceed to
DTC U023A is not output	A
DTC U023A is output	B

Result:

END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE)

Result:

REPLACE POWER STEERING ECU ASSEMBLY

for Manual Tilt and Manual Telescopic Steering Column: Refer to REMOVAL [10/2014 - ]
for Power Tilt and Power Telescopic Steering Column: Refer to REMOVAL [10/2014 - ]